1. Clinical Challenges and Images in GI
Daniel K. Mullady, MD, Jawad Ahmad, MD, MRCP (UK) 
Gastroenterology 
Volume 133, Issue 4, (October 2007)
DOI: /j.gastro
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2. Gastroenterology 2007 133, DOI: (10.1053/j.gastro.2007.08.056)
Copyright © 2007 AGA Institute Terms and Conditions

3. Gastroenterology 2007 133, DOI: (10.1053/j.gastro.2007.08.056)
Copyright © 2007 AGA Institute Terms and Conditions

4. Gastroenterology 2007 133, DOI: (10.1053/j.gastro.2007.08.056)
Copyright © 2007 AGA Institute Terms and Conditions